From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, MIME_QP_LONG_LINE,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9BBB2C432C0 for ; Thu, 21 Nov 2019 18:23:32 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 121E82067D for ; Thu, 21 Nov 2019 18:23:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=xenosoft.de header.i=@xenosoft.de header.b="RmueoAnx" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 121E82067D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=xenosoft.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 47JnxZ0gw8zDr4g for ; Fri, 22 Nov 2019 05:23:30 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.helo=mo6-p01-ob.smtp.rzone.de (client-ip=2a01:238:20a:202:5301::3; helo=mo6-p01-ob.smtp.rzone.de; envelope-from=chzigotzky@xenosoft.de; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=xenosoft.de Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=xenosoft.de header.i=@xenosoft.de header.b="RmueoAnx"; dkim-atps=neutral Received: from mo6-p01-ob.smtp.rzone.de (mo6-p01-ob.smtp.rzone.de [IPv6:2a01:238:20a:202:5301::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 47JnvD6L9PzDqTq for ; Fri, 22 Nov 2019 05:21:25 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1574360478; s=strato-dkim-0002; d=xenosoft.de; h=To:References:Message-Id:Cc:Date:In-Reply-To:From:Subject: X-RZG-CLASS-ID:X-RZG-AUTH:From:Subject:Sender; bh=jNSqqBbrYyqRlctFmIILYVh2+dTk9ekgd8eo+LGizrs=; b=RmueoAnxTadN3RbmKmXIjwWVT8rWIrrkEtlKq3bs8Uw8MfH5gJRfeO9tyadwnKXTUY N4s14i5iUwZszxBxQA/w3msrgiF63kqGt5XsSAUS0/ZTJkhcrGz7li7MRRNhzabyKa8e H8tHrQHlAVIP1L+cMeW3hqSLlG/R3DzYArIYvTo0jI7vbDHbjo0VWc8F3fyTNC9lKQh4 vvzwOysY68n0c3Vj2gz5/z1Y+ZgRnGKbxewbDV/UCdxcrysj7124kRJj9oz/JcdYv0iP R55X0QDbaBlUyb6Cf4ndWMmdlRPwqNHQ8jLdqD+9XUpqS34FlwcpOHld2VoEqKzyabvg ZkXw== X-RZG-AUTH: ":L2QefEenb+UdBJSdRCXu93KJ1bmSGnhMdmOod1DhGN0rBVhd9dFr6Kxrf+5Dj7x4QgaM9fNtIXuaJFG8GgaIfjP/sNprV1dfhtth/q6Z5w==" X-RZG-CLASS-ID: mo00 Received: from [IPv6:2a02:8109:89c0:ebfc:31b4:3e86:1da2:8b32] by smtp.strato.de (RZmta 44.29.0 AUTH) with ESMTPSA id q007c8vALIL5lAy (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (curve secp521r1 with 521 ECDH bits, eq. 15360 bits RSA)) (Client did not present a certificate); Thu, 21 Nov 2019 19:21:05 +0100 (CET) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (1.0) Subject: Re: Bug 205201 - Booting halts if Dawicontrol DC-2976 UW SCSI board installed, unless RAM size limited to 3500M From: Christian Zigotzky X-Mailer: iPhone Mail (16G102) In-Reply-To: <20191121180226.GA3852@lst.de> Date: Thu, 21 Nov 2019 19:21:04 +0100 Content-Transfer-Encoding: quoted-printable Message-Id: <0F53CCCE-738C-4024-9C3C-4BDEB0D0728C@xenosoft.de> References: <20191121072943.GA24024@lst.de> <6eec5c42-019c-a988-fc2a-cb804194683d@xenosoft.de>

<20191121180226.GA3852@lst.de> To: Christoph Hellwig X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, darren@stevens-zone.net, rtd2@xtra.co.nz, linuxppc-dev , linux-kernel@vger.kernel.org, linux-mm@kvack.org, iommu@lists.linux-foundation.org, Rob Herring , paulus@samba.org, mad skateman , "contact@a-eon.com" , Robin Murphy , nsaenzjulienne@suse.de Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 21. Nov 2019, at 19:02, Christoph Hellwig wrote: On Thu, Nov 21, 2019 at 05:34:48PM +0100, Christian Zigotzky wrote: I modified the patch and compiled a new RC8 of kernel 5.4 today. (patch=20 attached) We have to wait to Rolands test results with his SCSI PCI card. I tested it=20= today but my TV card doesn't work with this patch. I think we have two sorta overlapping issues here. One is that I think we need the bus_dma_limit, which should mostly help for something like a SCSI controller that doesn't need streaming mappings (btw, do we have more details on that somewhere?). And something weird with the videobuf things. Your change of the dma masks suggests that the driver doesn't do the right allocations and thus hits bounce buffering (swiotlb). We should fix that for real, but the fact that the bounce buffering itself also fails is even more interesting. Can you try this git branch: git://git.infradead.org/users/hch/misc.git fsl-dma-debugging Gitweb: http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/fsl-dma-d= ebugging and send me the dmesg with that with your TV adapter? - - - Yes, I will test it at the weekend. Thanks for your help. Christian=